#include <bits/stdc++.h>
using namespace std;
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    cin >> n;
    int maxp=0;
    int mons[100005]={};
    for(int i=0;i<n;i++)
    {
        int tmp;
        cin >> tmp;
        mons[tmp]++;
        maxp=max(maxp,mons[tmp]);
    }
    cout << maxp;
    return 0;
}
